/*
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 * and open the template in the editor.
 */

package controller.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import model.dao.ResourceDAO;
import model.dao.service.ResourceDAOService;
import util.Constants;

/**
 *
 * @author Tuanka
 */
public class ResourceServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet ResourceServlet</title>");            
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet ResourceServlet at " + request.getContextPath() + "</h1>");
            out.println("</body>");
            out.println("</html>");
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String action = request.getParameter("action");
        if(action != null){
            switch(action){
                case "load":
                    load(request, response);
                    break;
            }
        }
        
    }
    private void load(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{
        request.setAttribute(Constants.PAGE, "resource");
        ResourceDAOService resourceService = ResourceDAO.getInstace();
        request.setAttribute("list_bt",  resourceService.getResoureByCatID(1));
        request.setAttribute("list_lt",  resourceService.getResoureByCatID(2));
        request.setAttribute("list_tl",  resourceService.getResoureByCatID(3));
        request.setAttribute("list_hd",  resourceService.getResoureByCatID(4));
        request.setAttribute("list_kn",  resourceService.getResoureByCatID(5));
        request.getRequestDispatcher(Constants.URL_HOME).forward(request, response);
    }
    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
